275040460249 has 9 divisors (see below), whose sum is σ = 275985062847. Its totient is φ = 274099085064.

The previous prime is 275040460207. The next prime is 275040460271. The reversal of 275040460249 is 942064040572.

The square root of 275040460249 is 524443.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 18538728649 + 256501731600 = 136157^2 + 506460^2 .

It is not a de Polignac number, because 275040460249 - 2¹¹ = 275040458201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (275040460649) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 192469867 + ... + 192471295.

It is an arithmetic number, because the mean of its divisors is an integer number (30665006983).

Almost surely, 2^275040460249 is an apocalyptic number.

275040460249 is the 524443-rd square number.

275040460249 is the 262222-nd centered octagonal number.

It is an amenable number.

275040460249 is a deficient number, since it is larger than the sum of its proper divisors (944602598).

275040460249 is an frugal number, since it uses more digits than its factorization.

275040460249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3592 (or 1796 counting only the distinct ones).

The product of its (nonzero) digits is 483840, while the sum is 43.

The spelling of 275040460249 in words is "two hundred seventy-five billion, forty million, four hundred sixty thousand, two hundred forty-nine".